M0275-01
Model 3700
5-22
Rev. 10/18
TM
Lubrication and Maintenance
REPLACE DISC BLADE/BEARING ASSEMBLY
NOTE: Only bearing may need to be replaced if there is excessive endplay or if bearing sounds or feels rough
when disc blade is rotated.
1. Remove gauge wheel, scraper, and bearing dust cap.
2. Remove cap screw, washer and disc blade/bearing assembly. Machine bushings between shank and disc blade
are used to maintain approximate 25 mm ± 13 mm of blade-to-blade contact.
3. Install machine bushing(s), new disc blade bearing assembly, washer and cap screw. Torque
⅝
"-11 Grade 5 cap
screw to 150 Nm.
NOTE: Replace disc blades only with disc blades of equal thickness.
4. Install bearing dust cap, scraper, and gauge wheel.
REPLACE BEARING ONLY
1. Remove gauge wheel, scraper, bearing cap, cap screw, washer and disc blade/bearing assembly.
2. Remove
¼
" rivets from bearing housing to expose bearing.
3. Installing new bearing. install three evenly spaced
¼
" cap screws into three of six holes in bearing housing to hold
bearing and bearing housing in place. Install rivets in other three holes. Remove
¼
" cap screws and install rivets
in those three holes.
4. Reinstall disc blade/bearing assembly, washer and cap screw. Torque
⅝
"-11 cap screw to 150 Nm.
5. Install bearing dust cap, scraper, and gauge wheel.
Left hand side of opener uses a left
hand threaded cap screw. DO NOT OVER
TIGHTEN. Damage to shank threads
require replacement of row unit shank
assembly.
NOTICE
Summary of Contents for 3700
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